Last Updated on May 10, 2023
GMAT OFFICIAL GUIDE PS
Solution:
We are given that 60% of those who receive a questionnaire will respond. We must determine how many questionnaires need to be mailed to receive 300 responses. If we let n = the number of questionnaires sent, we can create the following equation:
0.6n = 300
6n = 3,000
n = 500
Answer: D